4079869 has 8 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 3948000.

The previous prime is 4079861. The next prime is 4079891. The reversal of 4079869 is 9689704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4079869 - 2³ = 4079861 is a prime.

It is a super-2 number, since 2×4079869² = 33290662114322, which contains 22 as substring.

It is a Duffinian number.

4079869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4079861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5862 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 2^4079869 is an apocalyptic number.

It is an amenable number.

4079869 is a deficient number, since it is larger than the sum of its proper divisors (133571).

4079869 is a wasteful number, since it uses less digits than its factorization.

4079869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4079869 is about 2019.8685600801. The cubic root of 4079869 is about 159.7896846051.

The spelling of 4079869 in words is "four million, seventy-nine thousand, eight hundred sixty-nine".